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Fireworks AI

Software Engineer, LLM Infrastructure

Fireworks AI
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9 months ago
San Mateo, CA, USAMid Level
H1B Sponsor

Base Salary

$175k - $220k/yr

Responsibilities

  • Design and develop scalable backend infrastructure supporting distributed training, inference, and data pipelines.
  • Build and maintain backend services including the LLM pipeline, control plane, and model-serving systems.
  • Improve performance, cost efficiency, and reliability across compute, storage, and networking layers.
  • Build frameworks and safeguards to improve model quality.
  • Collaborate with performance, training, product, cloud infrastructure, and related teams to translate research and product needs into infrastructure solutions.
  • Participate in code reviews, technical discussions, and continuous integration and deployment processes.

Requirements

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
  • At least 3 years of software engineering experience focused on infrastructure or machine-learning systems.
  • Strong programming skills in Python, Go, or a similar language.
  • Experience with ML infrastructure and tooling such as PyTorch, MLflow, Vertex AI, SageMaker, or Kubernetes.
  • Basic understanding of LLM concepts including context length, disaggregated prefill, and KV cache memory estimation.
  • Preferred: 5+ years of software engineering experience focused on infrastructure or machine-learning systems.
  • Preferred: experience with open-source inference engines such as vLLM, Sglang, or TRT-LLM.
  • Preferred: contributions to open-source infrastructure or machine-learning projects.
  • Preferred: experience building large-scale ML/MLOps infrastructure.

Benefits

  • Work on cutting-edge AI infrastructure and low-latency inference problems.
  • Collaborate with world-class engineers and AI researchers.
  • High ownership and direct impact in a fast-growing team with minimal bureaucracy.
  • Equal-opportunity and inclusive workplace.

Categories

AI & MLBackendData Engineering